Scientific Atlanta WebSTAR DPC2100R2

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multiple revisions of this device, use caution
cable modem
3rd Party Firmware
dd-wrt
OpenWrt
Incompatible
Tomato any flavor
Incompatible
Platform
BrandModelRev
Scientific Atlanta DPC2100 R2
Type
cable modem
CPU1
Broadcom BCM3349
CPU1 Type
MIPS32
CPU1 Speed
not specified
Flash1 Chip
Macronix MX29LV160DBTI-70G
Flash1 Size
2 MiB2,097,152 B <br />16,384 Kib <br />2,048 KiB <br />16 Mib <br />0.00195 GiB <br />
RAM1 Size
8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />
RAM1 Chip
ISSI IS42S16400B-7TL
ETH chip1
Broadcom BCM3349
Cable Modem Spec
DOCSIS 2.0:
Ethernet Port Count
1-100MbE-LAN
Wired Standard
IEEE 802.3i/3u

Ethernet OUI: 00:22:3A (1 E, -)

Stock FW OS
eCos
Expansion IF types
USB (unk. standard - slave)
USB ports
1
USB Hub Compatible
Untested
Power
12 VDC, 1 A
Connector type
barrel
Serial Port (UART)
yes, 4-pin header, 3.3V TTL, (115200 8N1), CON2
JTAG Port
yes, 8-pin header, J221
Flags:
DOCSIS 2.0

Additional chips
Direct Conversion Cable Tuner;Broadcom;BCM3419;BROADCOM, BCM3419KML, cP0824 P10, P36NV 02;1;

Other
Manuf/OEM/ODM
Retail
(Est.) release date October 2008
Country of manuf China
 CPU1 brandFLA1RAM1
Scientific Atlanta WebSTAR DPC2100Broadcom2 MiB2,097,152 B <br />16,384 Kib <br />2,048 KiB <br />16 Mib <br />0.00195 GiB <br />8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />
Scientific Atlanta WebSTAR DPC2100R2Broadcom2 MiB2,097,152 B <br />16,384 Kib <br />2,048 KiB <br />16 Mib <br />0.00195 GiB <br />8 MiB8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />

For a list of all currently documented Broadcom chipsets with specifications, see Broadcom.


Overview

"REV: 2.30 B", "PCB MADE IN CHINA", and a date code of 0840

is silkscreened on one particular DPC2100's board.

Teapo and Chemi-con branded capacitors are found.

JTAG-Serial Info

Serial

Serial Pinouts

CON2
[RxD]
(TxD)
(GND)
(...)

Info derived from

boot log
BCM3349A0
100000010346890
MemSize: ......................... 8M
Flash detected @0xbe000000

Signature: 2100
Broadcom BootLoader Version: 2.1.6d release Gnu
Build Date: Apr 27 2004
Build Time: 22:22:16

Image 1 Program Header:
   Signature: 2100
     Control: 0005
   Major Rev: 0003
   Minor Rev: 0000
  Build Time: 2010/4/1 09:35:16 Z
 File Length: 808988 bytes
Load Address: 80004000
    Filename: dpc2100R2-v202r1256-100324as-cox.bin
         HCS: 44ce
         CRC: f154254b

Image 2 Program Header:
   Signature: 2100
     Control: 0005
   Major Rev: 0003
   Minor Rev: 0000
  Build Time: 2010/4/1 09:35:16 Z
 File Length: 808988 bytes
Load Address: 80004000
    Filename: dpc2100R2-v202r1256-100324as-cox.bin
         HCS: 44ce
         CRC: f154254b

Enter '1', '2', or 'p' within 2 seconds or take default...
Performing CRC on Image 2...
Detected LZMA compressed image... decompressing...
Target Address: 0x80004000
..............
Decompressed length: 3670071

Executing Image 2...
 eCos - hal_diag_init
Init device '/dev/ttydiag'
Init tty channel: 8036eb40
Init device '/dev/tty0'
Init tty channel: 8036eb60
Init device '/dev/haldiag'
HAL/diag SERIAL init
Init device '/dev/ser0'
BCM 33XX SERIAL init - dev: 0.2
Set output buffer - buf: 0x8039fd68 len: 2048
Set input buffer - buf: 0x803a0568 len: 2048
BCM 33XX SERIAL config

Reading Permanent settings from non-vol...
Checksum for permanent settings:  0x3d6d39d1

* One or more of the settings groups was missing, possibly as a result of a code upgrade.
* One or more of the settings groups was upgraded.
*Settings were read and verified.

Reading Dynamic settings from non-vol...
Checksum for dynamic settings: